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| 1 | +/* | |
| 2 | + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.net.www.protocol.http; | |
| 27 | + | |
| 28 | +import java.net.URL; | |
| 29 | +import java.net.URI; | |
| 30 | +import java.net.URISyntaxException; | |
| 31 | +import java.net.PasswordAuthentication; | |
| 32 | +import java.io.IOException; | |
| 33 | +import java.io.OutputStream; | |
| 34 | +import sun.net.www.HeaderParser; | |
| 35 | +import sun.misc.BASE64Encoder; | |
| 36 | + | |
| 37 | +/** | |
| 38 | + * BasicAuthentication: Encapsulate an http server authentication using | |
| 39 | + * the "basic" scheme. | |
| 40 | + * | |
| 41 | + * @author Bill Foote | |
| 42 | + */ | |
| 43 | + | |
| 44 | + | |
| 45 | +class BasicAuthentication extends AuthenticationInfo { | |
| 46 | + | |
| 47 | + private static final long serialVersionUID = 100L; | |
| 48 | + | |
| 49 | + /** The authentication string for this host, port, and realm. This is | |
| 50 | + a simple BASE64 encoding of "login:password". */ | |
| 51 | + String auth; | |
| 52 | + | |
| 53 | + /** | |
| 54 | + * Create a BasicAuthentication | |
| 55 | + */ | |
| 56 | + public BasicAuthentication(boolean isProxy, String host, int port, | |
| 57 | + String realm, PasswordAuthentication pw) { | |
| 58 | + super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, | |
| 59 | + AuthScheme.BASIC, host, port, realm); | |
| 60 | + String plain = pw.getUserName() + ":"; | |
| 61 | + byte[] nameBytes = null; | |
| 62 | + try { | |
| 63 | + nameBytes = plain.getBytes("ISO-8859-1"); | |
| 64 | + } catch (java.io.UnsupportedEncodingException uee) { | |
| 65 | + assert false; | |
| 66 | + } | |
| 67 | + | |
| 68 | + // get password bytes | |
| 69 | + char[] passwd = pw.getPassword(); | |
| 70 | + byte[] passwdBytes = new byte[passwd.length]; | |
| 71 | + for (int i=0; i<passwd.length; i++) | |
| 72 | + passwdBytes[i] = (byte)passwd[i]; | |
| 73 | + | |
| 74 | + // concatenate user name and password bytes and encode them | |
| 75 | + byte[] concat = new byte[nameBytes.length + passwdBytes.length]; | |
| 76 | + System.arraycopy(nameBytes, 0, concat, 0, nameBytes.length); | |
| 77 | + System.arraycopy(passwdBytes, 0, concat, nameBytes.length, | |
| 78 | + passwdBytes.length); | |
| 79 | + this.auth = "Basic " + (new BasicBASE64Encoder()).encode(concat); | |
| 80 | + this.pw = pw; | |
| 81 | + } | |
| 82 | + | |
| 83 | + /** | |
| 84 | + * Create a BasicAuthentication | |
| 85 | + */ | |
| 86 | + public BasicAuthentication(boolean isProxy, String host, int port, | |
| 87 | + String realm, String auth) { | |
| 88 | + super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, | |
| 89 | + AuthScheme.BASIC, host, port, realm); | |
| 90 | + this.auth = "Basic " + auth; | |
| 91 | + } | |
| 92 | + | |
| 93 | + /** | |
| 94 | + * Create a BasicAuthentication | |
| 95 | + */ | |
| 96 | + public BasicAuthentication(boolean isProxy, URL url, String realm, | |
| 97 | + PasswordAuthentication pw) { | |
| 98 | + super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, | |
| 99 | + AuthScheme.BASIC, url, realm); | |
| 100 | + String plain = pw.getUserName() + ":"; | |
| 101 | + byte[] nameBytes = null; | |
| 102 | + try { | |
| 103 | + nameBytes = plain.getBytes("ISO-8859-1"); | |
| 104 | + } catch (java.io.UnsupportedEncodingException uee) { | |
| 105 | + assert false; | |
| 106 | + } | |
| 107 | + | |
| 108 | + // get password bytes | |
| 109 | + char[] passwd = pw.getPassword(); | |
| 110 | + byte[] passwdBytes = new byte[passwd.length]; | |
| 111 | + for (int i=0; i<passwd.length; i++) | |
| 112 | + passwdBytes[i] = (byte)passwd[i]; | |
| 113 | + | |
| 114 | + // concatenate user name and password bytes and encode them | |
| 115 | + byte[] concat = new byte[nameBytes.length + passwdBytes.length]; | |
| 116 | + System.arraycopy(nameBytes, 0, concat, 0, nameBytes.length); | |
| 117 | + System.arraycopy(passwdBytes, 0, concat, nameBytes.length, | |
| 118 | + passwdBytes.length); | |
| 119 | + this.auth = "Basic " + (new BasicBASE64Encoder()).encode(concat); | |
| 120 | + this.pw = pw; | |
| 121 | + } | |
| 122 | + | |
| 123 | + /** | |
| 124 | + * Create a BasicAuthentication | |
| 125 | + */ | |
| 126 | + public BasicAuthentication(boolean isProxy, URL url, String realm, | |
| 127 | + String auth) { | |
| 128 | + super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, | |
| 129 | + AuthScheme.BASIC, url, realm); | |
| 130 | + this.auth = "Basic " + auth; | |
| 131 | + } | |
| 132 | + | |
| 133 | + /** | |
| 134 | + * @return true if this authentication supports preemptive authorization | |
| 135 | + */ | |
| 136 | + @Override | |
| 137 | + public boolean supportsPreemptiveAuthorization() { | |
| 138 | + return true; | |
| 139 | + } | |
| 140 | + | |
| 141 | + /** | |
| 142 | + * Set header(s) on the given connection. This will only be called for | |
| 143 | + * definitive (i.e. non-preemptive) authorization. | |
| 144 | + * @param conn The connection to apply the header(s) to | |
| 145 | + * @param p A source of header values for this connection, if needed. | |
| 146 | + * @param raw The raw header values for this connection, if needed. | |
| 147 | + * @return true if all goes well, false if no headers were set. | |
| 148 | + */ | |
| 149 | + @Override | |
| 150 | + public boolean setHeaders(HttpURLConnection conn, HeaderParser p, String raw) { | |
| 151 | + conn.setAuthenticationProperty(getHeaderName(), getHeaderValue(null,null)); | |
| 152 | + return true; | |
| 153 | + } | |
| 154 | + | |
| 155 | + /** | |
| 156 | + * @return the value of the HTTP header this authentication wants set | |
| 157 | + */ | |
| 158 | + @Override | |
| 159 | + public String getHeaderValue(URL url, String method) { | |
| 160 | + /* For Basic the authorization string does not depend on the request URL | |
| 161 | + * or the request method | |
| 162 | + */ | |
| 163 | + return auth; | |
| 164 | + } | |
| 165 | + | |
| 166 | + /** | |
| 167 | + * For Basic Authentication, the security parameters can never be stale. | |
| 168 | + * In other words there is no possibility to reuse the credentials. | |
| 169 | + * They are always either valid or invalid. | |
| 170 | + */ | |
| 171 | + @Override | |
| 172 | + public boolean isAuthorizationStale (String header) { | |
| 173 | + return false; | |
| 174 | + } | |
| 175 | + | |
| 176 | + /** | |
| 177 | + * @return the common root path between npath and path. | |
| 178 | + * This is used to detect when we have an authentication for two | |
| 179 | + * paths and the root of th authentication space is the common root. | |
| 180 | + */ | |
| 181 | + | |
| 182 | + static String getRootPath(String npath, String opath) { | |
| 183 | + int index = 0; | |
| 184 | + int toindex; | |
| 185 | + | |
| 186 | + /* Must normalize so we don't get confused by ../ and ./ segments */ | |
| 187 | + try { | |
| 188 | + npath = new URI (npath).normalize().getPath(); | |
| 189 | + opath = new URI (opath).normalize().getPath(); | |
| 190 | + } catch (URISyntaxException e) { | |
| 191 | + /* ignore error and use the old value */ | |
| 192 | + } | |
| 193 | + | |
| 194 | + while (index < opath.length()) { | |
| 195 | + toindex = opath.indexOf('/', index+1); | |
| 196 | + if (toindex != -1 && opath.regionMatches(0, npath, 0, toindex+1)) | |
| 197 | + index = toindex; | |
| 198 | + else | |
| 199 | + return opath.substring(0, index+1); | |
| 200 | + } | |
| 201 | + /*should not reach here. If we do simply return npath*/ | |
| 202 | + return npath; | |
| 203 | + } | |
| 204 | + | |
| 205 | + /* It is never expected that the header value will exceed the bytesPerLine */ | |
| 206 | + private class BasicBASE64Encoder extends BASE64Encoder { | |
| 207 | + @Override | |
| 208 | + protected int bytesPerLine() { | |
| 209 | + return (10000); | |
| 210 | + } | |
| 211 | + } | |
| 212 | +} | |